account for underscoress in URLs
account for underscoress in URLs

sni/vagrant,chrisroberts/vagrant,sni/vagrant,mitchellh/vagrant,marxarelli/vagrant,chrisroberts/vagrant,mitchellh/vagrant,mitchellh/vagrant,sni/vagrant,chrisroberts/vagrant,marxarelli/vagrant,marxarelli/vagrant,chrisroberts/vagrant,sni/vagrant,marxarelli/vagrant,mitchellh/vagrant